is a Data Source.
The Environmental and Geographic Analysis Database (EGAD) is the Maine Department of Environmental Protection's database of environmental sampling and monitoring data. It stores site and water quality information for potential and actual sources of contamination, including physical, chemical, biological, and spatial data for surface water, groundwater, and biological sampling sites across Maine. EGAD includes per- and polyfluoroalkyl substance (PFAS) sampling results. SAWGraph uses EGAD as a primary source for state-level PFAS occurrence data in Maine.
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| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| maine-egad.landing | Maine EGAD landing page | egad | GraphicalInterface | http | Maine DEP landing page describing the... |
| maine-egad.samples | Maine EGAD data request | egad_samples | GraphicalInterface | http | Maine DEP EGAD data request interface... |
| ID | Name | URL | Category | Format | Relation | Description |
|---|---|---|---|---|---|---|
| sawgraph.graph | SAWGraph PFAS Knowledge Graph | pfas-kg | GraphProduct | ttl | had primary source | The SAWGraph PFAS knowledge graph, in... |
The Environmental and Geographic Analysis Database (EGAD) is the Maine Department of Environmental Protection’s database of environmental sampling and monitoring data. It stores site and water quality information for potential and actual sources of contamination, including physical, chemical, biological, and spatial data for surface water, groundwater, and biological sampling sites across Maine, and includes per- and polyfluoroalkyl substance (PFAS) results.
SAWGraph uses EGAD as a primary source for state-level PFAS occurrence data in Maine.
Created: July 01, 2026 | Last modified: July 01, 2026